1 #include "stdio_impl.h" 2 #include <string.h> 3 __string_read(FILE * f,unsigned char * buf,size_t len)4size_t __string_read(FILE *f, unsigned char *buf, size_t len) 5 { 6 char *src = f->cookie; 7 size_t k = len+256; 8 char *end = memchr(src, 0, k); 9 if (end) k = end-src; 10 if (k < len) len = k; 11 memcpy(buf, src, len); 12 f->rpos = (void *)(src+len); 13 f->rend = (void *)(src+k); 14 f->cookie = src+k; 15 return len; 16 } 17